Re: Don't print Ping caused error logs

2017-06-19 Thread Eric Plowe
The driver had load balancing policies built in. Behind a load balancer you'd lose the benefit things like the TokenAwarePolicy. On Mon, Jun 19, 2017 at 3:49 PM Jonathan Haddad wrote: > The driver grabs all the cluster information from the nodes you provide > the driver and

Re: Don't print Ping caused error logs

2017-06-19 Thread Jonathan Haddad
The driver grabs all the cluster information from the nodes you provide the driver and connects automatically to the rest. You don't need (and shouldn't use) a load balancer. Jon On Mon, Jun 19, 2017 at 12:28 PM Daniel Hölbling-Inzko < daniel.hoelbling-in...@bitmovin.com> wrote: > Just out of

Re: Don't print Ping caused error logs

2017-06-19 Thread Daniel Hölbling-Inzko
Just out of curiosity how to you then make sure all nodes get the same amount of traffic from clients without having to maintain a manual contact points list of all cassandra nodes in the client applications? Especially with big C* deployments this sounds like a lot of work whenever

Re: Don't print Ping caused error logs

2017-06-19 Thread Akhil Mehra
Just in case you are not aware using a load balancer is an anti patter. Please refer to (http://docs.datastax.com/en/landing_page/doc/landing_page/planning/planningAntiPatterns.html#planningAntiPatterns__AntiPatLoadBal

Don't print Ping caused error logs

2017-06-19 Thread wxn...@zjqunshuo.com
Hi, Our cluster nodes are behind a SLB(Service Load Balancer) with a VIP and the Cassandra client access the cluster by the VIP. System.log print the below IOException every several seconds. I guess it's the SLB service which Ping the port 9042 of the Cassandra node periodically and caused the